#34 Earthworm II Nervous and Circulatory System 12. The earthworm has a ventral nerve cord, why is this design be benificial for the worm? (Think about how it moves). 13. The earthworm has a closed circulatory system. Define what this means. What is the name of the 14. How many "hearts" does the earthworm have? earthworms hearts? 15. The earthworm does not have a respiratory system. Explain then how the earthworms exchanges gases
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#34 Earthworm II Nervous and Circulatory System 12. The earthworm has a ventral nerve cord, why is t...
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